When a teenager goes missing, it becomes clear that many young men and boys have disappeared at the hands of John Wayne Gacy, the prime suspect.
Ten Days
After a teenager disappears, officers track, interrogate and tail the man he was last seen with.
Johnny
Officers excavate the crawl space beneath Gacy's home; Gacy shows where he disposed of Rob's body.
Samuel and Randy
As police make a shocking discovery, the media circus begins; two teens navigate boyhood in Uptown.
Billy
A psychiatrist interviews Gacy; Tovar and Kozenczak uncover systemic failures; teenage love unfolds.
Billy and Dale
A blizzard buries Chicago; Kozenczak tracks down Gacy's surviving victims; a teen learns sex work.
Tim, John and Rob
In the past, Gacy confesses to Sam how he groomed, sexually assaulted and killed boys and young men.
David
Tovar drives Gacy to court hoping to uncover his kill count; Gacy's grooming of Cram is revealed.
Jeffrey
Jeffrey Rignall's story is told; Gacy's execution day brings protests, reunions and moral debates.
